LUBRICATION V45 MIN TORQUE VALUES Engine oil drain plug Engine oil filter Oil pressure switch TOOLS Special Oil pressure gauge Oil pressure gauge attachment 35-40 N•m (3.5-4.0 kg-m, 25-29 ft-lb) 15-20 N•m (1.5-2.0 kg-m, 11-14 ft-lb) — Apply Loctite® to crankcase bolt threads. 15-20 N•m (1.5-2.0 kg-m, 11-14 ft-lb) — Apply 3-BOND® or its equivalent to the bolt threads. 07506-3000000—, 07510-4220100± or commercially available. TROUBLESHOOTING Oil level too low 1. External oil leaks 2. Worn piston rings 3. Worn valve guide or seal Oil contamination 1. Oil or filter not changed often enough 2. Head gasket fualty 3. Worn piston rings Low oil pressure 1. Oil level low 2. Pressure relif valve stuck open 3. Plugged oil pick-up screen 4. Oil pump worn 5. External oil leaks High oil pressure 1. Pressure relief valve stuck open 2. Plugged oil filter, gallery, or metering orifice 3. Incorrect oil being used No oil pressure 1. Oil level low 2. Oil pump drive chian broken 3. Oil pump faulty 4. Internal oil leakage 2-2 16 Date of Issue: January, 1982 © HONDA MOTOR CO., LTD. 2-2